Will Two Do? Varying Dimensions in Electrocardiography: The PhysioNet/Computing in Cardiology Challenge 2021 1.0.3

File: <base>/training/ningbo/g13/JS23001.hea (771 bytes) 
JS23001 12 500 5000
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JS23001.mat 16x1+24 1000.0(0)/mV 16 0 54 24644 0 II
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JS23001.mat 16x1+24 1000.0(0)/mV 16 0 -5 25613 0 V3
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# Age: 22
# Sex: Male
# Dx: 57054005,164865005,427084000,429622005,55930002
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown